GSE Announces Date for Fourth Quarter and Full Year Operations Update and 2012 Earnings Teleconference

HOUSTON, March 7, 2013 /PRNewswire/ -- GSE Holding, Inc. (the "Company" or "GSE") (NYSE: GSE), a leading global provider of highly engineered geosynthetic containment solutions for environmental protection and confinement applications, today announced that the Company will release its fourth quarter and full year 2012 results before the market opens on Thursday, March 14, 2013. The Company will also hold a conference call to discuss results at 10:30 am (Eastern Time) that day.

The conference call can be accessed by dialing 877-616-4476 (domestic) or 402-875-4763 (international). Participants will need to provide the passcode 16362470. A telephonic replay will be available approximately two hours after the call and can be accessed by dialing 1-855-859-2056, or for international callers, 1-404-537-3406. The passcode for the live call and the replay is 16362470. The telephonic replay will be available until 11:59 pm (Eastern Time) on March 27, 2013.

GSE is a global manufacturer and marketer of geosynthetic lining solutions, products and services used in the containment and management of solids, liquids, and gases for organizations engaged in waste management, mining, water, wastewater, and aquaculture. GSE has a long history of manufacturing quality geosynthetic lining systems and developing innovative products. The company's principal products are polyethylene-based geomembranes, geonets, geocomposites, geosynthetic clay liners, concrete protection liners and vertical barriers. GSE manufactures products primarily to line or cap hazardous and non-hazardous waste landfills; contain materials generated in certain mining processes; and contain water, liquid waste and industrial products in ponds, tanks, reservoirs, sewers, and canals. Headquartered in Houston, Texas, USA, GSE maintains sales offices throughout the world and manufacturing facilities in the United States, Chile, Germany, Thailand and Egypt.